【实用英语】怎么用英语和老外打招呼和告别【看图详解】打招呼：Hi; Hello; Howdy; Yo; Hey; What's up?; How are you doing?; What are you up to?; How have you been?; How's it going? 告别：Bye; See you/ya; Later; Talk to you later; Ciao; Adios 太多了，让我们看图来一一解释。
